Humboldt Park, 1440 N. Humboldt Drive, will be celebrating the 20th anniversary of its Earth Day clean-up, which attracts some 500 volunteers each year, from 9 a.m. to 2 p.m. Saturday, April 20.

The day's events include:

  • Clean-up from 9 to 11 a.m.
  • Tree planting at 11:30 a.m.
  • Entertainment from 11 a.m. to 1:30 p.m.
  • Earth Day activities from 11 a.m. to 2 p.m.